The vocation, whether it be that of the farmer or the architect, is a function; the exercise of this function as regards the man himself is the most indispensable means of spiritual development, and as regards his relation to society the measure of his worth.
Art is nothing tangible. We cannot call a painting 'art' as the words 'artifact' and 'artificial' imply. The thing made is a work of art made by art, but not itself art. The art remains in the artist and is the knowledge by which things are made.